H. Lundbeck A/S (commonly known simply as Lundbeck) is a Danish international pharmaceutical company engaged in the research and development, production, marketing, and sale of drugs for the treatment of disorders in the central nervous system (CNS), including depression, schizophrenia, Alzheimer’s disease, Parkinson’s disease, Huntington's disease, epilepsy and insomnia.

Headquartered in Copenhagen, Denmark Lundbeck has international production facilities in Denmark, Mexico, Italy and France and affiliates or sales offices in 57 countries. Lundbeck employs around 5.900 people globally (as of 2010), and the company’s products are registered in more than 100 countries world wide.